détecteur d’impact primaire
/detɛktˈœʁ dɛ̃pˈakt pʁimˈɛʁ/
n
English: primary crash sensor · 主碰撞传感器
Sens：Device located at the front of the vehicle, which, in the event of collision, transmits the pulse it receives to the safing sensor.
English: primary crash sensor · 主碰撞传感器